May Weather in Karlovy Vary, Czech Republic

Last updated: April 1, 2025

May in Karlovy Vary, Czech Republic presents a delightful blend of mild temperatures and refreshing precipitation. With maximum temperatures reaching a pleasant 27°C (81°F) and an average of 11°C (52°F), this month marks the transition to warmer days. However, the weather can be unpredictable at times, as evidenced by the 87 mm (3.4 in) of rain over 16 days, contributing to a humidity level of 71%. This combination creates a lush environment perfect for enjoying the scenic beauty of the region, making May an ideal time for visitors to explore its charming sights.

May Temperature in Karlovy Vary

In May, Karlovy Vary begins to embrace the warmth of spring, with temperatures showing a pleasant rise compared to the colder months. This month typically sees a minimum of around -3°C (27°F) and an average temperature of 11°C (52°F), creating a inviting atmosphere for visitors. As the days progress, you can expect maximum temperatures to peak at a delightful 27°C (81°F), making it the perfect time for leisurely strolls through the picturesque streets or relaxing in the famous thermal baths. The transition from the brisk chill of April, which has a max of 24°C (76°F), to May's rising warmth reflects a clear trend of increasing comfort, signaling the onset of a vibrant and lively summer season in this charming Czech spa town.

May Weather in Karlovy Vary: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Karlovy Vary, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec293236445262636355473832
Data source: Temperature data for Karlovy Vary generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Karlovy Vary

In May, Karlovy Vary experiences a notable increase in precipitation, with an average of 87 mm (3.4 in) recorded over 16 days, making it one of the wettest months of the year. This significant spike from April's 41 mm (1.6 in) signals a shift as the region transitions into summer. The higher rainfall not only enriches the lush landscapes that the Czech Republic is renowned for but also sets a precedent for August, which follows closely with 90 mm (3.5 in). The consistent pattern of increased rainfall in spring and early summer suggests that May plays a critical role in nourishing the blooming flora of the region, while also prepping the ground for the warmer months ahead.

May Precipitation Trends in Karlovy Vary

The chart displays monthly precipitation patterns in Karlovy Vary, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec645667428782799059633977
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Karlovy Vary

In May, Karlovy Vary experiences a notable decline in humidity, dropping to 71%—the lowest level since January. This reduction is part of a gradual trend as the spring months progress; humidity starts at a high of 90% in January and steadily decreases to 81% by April. The transition into May marks a shift towards a more comfortable atmosphere, making it an ideal time for outdoor exploration. However, as summer approaches, humidity will begin to rise again in June, reminding visitors of the region's characteristic dampness. Thus, while May offers a refreshing respite from the higher humidity levels of earlier months, the interplay of seasonal changes is ever-present in the picturesque Czech landscape.

May Average Humidity in Karlovy Vary

This chart illustrates the average monthly humidity levels in Karlovy Vary, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%87%81%71%75%74%76%81%85%88%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Karlovy Vary

As spring transitions into summer, the UV Index in Karlovy Vary experiences a notable surge, emphasizing the need for sun safety. In May, the UV Index hits 8, classifying it as very high and significantly reducing the burn time to just 15 minutes. This sharp increase from moderate levels earlier in the year serves as a reminder for locals and visitors alike to be proactive about sun protection. With similar conditions anticipated in June and July, now is the time to enjoy the beautiful weather while staying vigilant against solar exposure. For more detailed insights on the UV Index throughout the year, check out Karlovy Vary UV Index.

Maximum UV Index Levels in Karlovy Vary for May

The chart shows the monthly maximum UV Index (UVI) for Karlovy Vary in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Karlovy Vary May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Karlovy Vary

In May, Karlovy Vary basks in a delightful 386 hours of sunshine, making it a perfect time to explore the scenic beauty and charm of this historic spa town. This month marks a significant increase from the 345 hours in April, as spring fully unfurls its vibrant colors. As the sun shines brighter, visitors can enjoy leisurely strolls along the picturesque colonnades and lush parklands that the town is famous for. Following the upward trend, June and July bring even more sunshine, with a peak of 424 hours in July, indicating the region's exceptionally bright summer. With each passing month, the increasing daylight offers a wonderful backdrop for relaxation and rejuvenation, inviting tourists to immerse themselves in the therapeutic experiences that Karlovy Vary has to offer.

Monthly Sunshine Duration in Karlovy Vary: May Highlighted

The May sunshine duration represents the total number of hours Karlovy Vary experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec105h202h275h345h386h408h424h382h308h252h172h133h
Data source: Karlovy Vary May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Karlovy Vary During May

As spring blossoms into May in Karlovy Vary, the likelihood of sunny weather begins to shift slightly, boasting a 26% chance of sunshine. While this may seem modest compared to the peak of spring in March, which enjoys a 36% chance, it marks a notable transition from the previous month, where April's sun shines 32% of the time. May's sunshine probabilities are aligned with the summer months of June and July, both sitting at 28%. However, they slightly dip as the summer rolls into August, suggesting a trend of fluctuating sunshine as the region moves from spring to summer. Thus, while May might not be the sunniest month of the year, it still presents an opportunity for pleasant days amidst the vibrant blooms of the season.

Percentage of Sunny Days in May in Karlovy Vary

The chart illustrates the percentage of sunny days in Karlovy Vary throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Karlovy Vary experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%27%36%32%26%28%28%25%35%29%10%8%
Data source: Karlovy Vary May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Karlovy Vary in May

In Karlovy Vary, the month of May marks a delightful transition into the brighter days of late spring, with an impressive 15 hours of daylight. This significant increase follows the steady rise from 8 hours in January to 10 hours in February, and then an invigorating leap to 11 hours in March and 13 hours in April. As nature awakens, residents and visitors alike can fully embrace the longer days filled with sunlight. May's generous daylight paves the way for outdoor activities and celebrations, highlighting a palpable sense of energy and renewal that characterizes the arrival of summer. As daylight peaks in June at 16 hours, May serves as a beautiful precursor to the vibrant days ahead, reinforcing the region's seasonal rhythm of light and warmth.

Average Daylight Hours in Karlovy Vary for May

The chart illustrates the variation in daylight duration in Karlovy Vary throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 35m10h 4m11h 55m13h 48m15h 27m16h 18m15h 51m14h 23m12h 33m10h 41m9h8h 6m
Data source: Karlovy Vary daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Karlovy Vary

In Karlovy Vary, the month of May brings a noticeable shift in wind patterns, with an average speed of 3.7 m/s (8 mph), the highest for the year. This marks a refreshing change from the gentler breezes of the earlier months, where February experienced its lowest gusts at 2.7 m/s (6 mph). As spring unfolds, the increase in wind speed not only enhances the beauty of the blooming landscape but also invigorates the city's vibrant atmosphere. Following May, wind speeds begin to decline into the summer months, dipping to 2.1 m/s (5 mph) in June. This trend highlights the transitional nature of spring, making May an exhilarating time in Karlovy Vary, perfect for enjoying outdoor activities amidst the refreshing winds.

Average May Wind Speed in Karlovy Vary

The chart displays monthly wind speed patterns in Karlovy Vary, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.32.73.13.13.7 m/s2.12.52.82.22.92.93.1
Data source: Karlovy Vary May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Karlovy Vary Compares to Other Months

The weather in Karlovy Vary changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Karlovy Vary and find detailed weather information for every month.

May and January in Karlovy Vary present a stark contrast in weather conditions. In January, the temperatures remain quite frigid, with minimums plummeting to -21°C (-6°F) and an average temperature of -1°C (30°F), while the maximum rarely exceeds 10°C (51°F). The month is characterized by high humidity at 90% and receives about 64 mm (2.5 inches) of precipitation over 12 days. In contrast, May brings a pleasant change with temperatures ranging from a minimum of -3°C (27°F) to an average of 11°C (52°F), reaching as high as 27°C (81°F) on warmer days. The humidity in May is slightly lower at 71%, and it experiences more precipitation, totaling 87 mm (3.4 inches) over 16 days. For a more detailed look at January weather in Karlovy Vary, you can visit Karlovy Vary weather in January.

In comparing the weather of May and February, a stark contrast emerges. May boasts a milder climate, with temperatures ranging from a minimum of -3°C (27°F) to a warm maximum of 27°C (81°F) and an average temperature of 11°C (52°F). The month experiences 87 mm (3.4 in) of precipitation over 16 days, with humidity around 71%, creating a fresh atmosphere. In contrast, February is significantly colder, with temperatures dipping as low as -17°C (1°F) and averaging 0°C (32°F), peaking at 14°C (57°F). This month sees less precipitation at 56 mm (2.2 in) across 11 days but has higher humidity at 89%, adding to the chill. For more detailed insights, check Karlovy Vary weather in February.

In comparing the weather of May and March, it is clear that May offers a significantly warmer climate, with average temperatures ranging from a minimum of -3°C (27°F) to a maximum of 27°C (81°F), while March's temperatures fluctuate between -18°C (1°F) and 19°C (67°F). Additionally, May experiences higher humidity levels at 71%, compared to March's 87%, which may feel more uncomfortable despite the milder temperatures. Precipitation is more frequent in May, with 87 mm (3.4 in) over 16 days, whereas March sees 67 mm (2.6 in) spread across 15 days. For a detailed look at March's weather conditions, you can check Karlovy Vary weather in March.

In comparing the weather of April and May, we see a notable increase in temperatures. May experiences a broader temperature range with minimums of -3°C (27°F) and maximums reaching up to 27°C (81°F), while April's temperatures fluctuate between a minimum of -7°C (20°F) and a maximum of 24°C (76°F). The average temperature in May is significantly warmer at 11°C (52°F) compared to April's 7°C (44°F). Additionally, May receives more precipitation with 87 mm (3.4 in) over 16 days, versus April's 41 mm (1.6 in) across 10 days. However, humidity is slightly lower in May at 71%, compared to April's 81%. For more detailed insights about April's weather, you can check Karlovy Vary weather in April.

May and June present a notable transition in weather patterns. In May, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable average of 11°C (52°F), with highs reaching 27°C (81°F). This month experiences around 87 mm (3.4 in) of precipitation over 16 days, contributing to a relative humidity of 71%.

In contrast, June brings warmer temperatures, with a minimum of 1°C (35°F) and an average of 17°C (62°F), peaking at a sweltering 33°C (91°F). Although June sees slightly less precipitation at 82 mm (3.2 in) over 12 days, the humidity increases to 75%, making the air feel more tropical. For more detailed information, check out Karlovy Vary weather in June.

In May, temperatures in Karlovy Vary range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 27°C (81°F), with an average temperature of 11°C (52°F). The month experiences around 87 mm (3.4 in) of precipitation over 16 days, accompanied by a humidity level of 71%. In contrast, July presents warmer conditions, with temperatures starting from a minimum of 5°C (41°F) to a maximum of 33°C (92°F) and an average of 17°C (63°F). Precipitation decreases slightly to 79 mm (3.1 in) over 14 days, while humidity edges up to 74%. This comparison highlights the transition from the cooler, wetter conditions of May to the warm, more humid summer weather typical of July. For more specific details, you can check the Karlovy Vary weather in July.

May and August show distinct differences in weather patterns. May typically experiences cooler temperatures, with a minimum of -3°C (27°F) and an average of 11°C (52°F), while August boasts warmer temperatures, with a minimum of 5°C (42°F) and an average of 17°C (63°F). Precipitation levels are comparable, with May receiving 87 mm (3.4 in) over 16 days and August slightly more at 90 mm (3.5 in) over 14 days. Additionally, humidity levels rise from 71% in May to 76% in August, contributing to a more humid feel during the latter month. For more detailed insights, you can check out Karlovy Vary weather in August.

May and September both offer mild temperatures, but there are notable differences between the two months. In May, temperatures range from a chilly minimum of -3°C (27°F) to a warm maximum of 27°C (81°F), with an average temperature of 11°C (52°F). This month also experiences a higher amount of precipitation, totaling 87 mm (3.4 in) over 16 days, while the humidity hovers around 71%.

In contrast, September sees slightly warmer average temperatures, ranging from a minimum of -1°C (31°F) to a peak of 28°C (82°F), with an average of 13°C (55°F). Additionally, September has less precipitation at 59 mm (2.3 in) over only 10 days but features increased humidity levels at 81%.

For more specific details about September’s climate, you can check out the Karlovy Vary weather in September.

May and October present distinct weather patterns, highlighting the transition from spring to autumn. In May, temperatures can reach a maximum of 27°C (81°F), with an average of 11°C (52°F) and a minimum dipping to -3°C (27°F). The month sees 87 mm (3.4 in) of precipitation spread over 16 days, with humidity levels around 71%. In contrast, October features a cooler climate, with a maximum of 22°C (71°F) and an average of 8°C (47°F); temperatures also drop to -3°C (27°F) at night. Rainfall is less frequent in October, totaling 63 mm (2.5 in) over 11 days, but humidity increases to 85%. For more detailed information on the conditions during this month, check out Karlovy Vary weather in October.

In May, the weather is generally milder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 27°C (81°F) and an average of 11°C (52°F). This month experiences 87 mm (3.4 in) of precipitation spread over 16 days, and the humidity sits at 71%. In contrast, November is much cooler, featuring lower temperatures that range from a minimum of -7°C (20°F) to a maximum of 16°C (61°F), with an average of only 3°C (38°F). The precipitation decreases significantly to 39 mm (1.5 in) over 10 days, accompanied by higher humidity at 88%. For more detailed insights, you can explore Karlovy Vary weather in November.

When comparing the weather in May and December, it becomes clear that they present contrasting climates. May experiences a wider temperature range with minimums of -3°C and maximums reaching 27°C, averaging 11°C overall. This month also sees 87 mm of precipitation across 16 days, with humidity levels hovering around 71%. In contrast, December is much colder, with temperatures ranging from a minimum of -11°C to a maximum of 10°C and an average temperature of 0°C. Although it has slightly less precipitation at 77 mm, it also spans 16 days, and the humidity is higher at 92%. For more detailed information, check out this link: Karlovy Vary weather in December.

Compare Karlovy Vary's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Karlovy Vary

As spring unfolds in Karlovy Vary, May is marked by a delightful transition from the chill of winter to warmer temperatures, bringing an invigorating atmosphere to the region. While daily highs can reach a pleasant 27°C, the average temperature hovers around a cool 11°C, creating a refreshing climate perfect for exploration. However, it's worth noting that May also sees increased rainfall, with precipitation occurring on nearly half the month, enhancing the lush beauty of the surrounding landscapes. Compared to the frosty winter months, the humidity levels in May provide a palpable freshness in the air, offering a tantalizing preview of summer. For a deeper understanding of how these conditions shape the overall experience in this charming city, explore the full details on the Karlovy Vary Climate.